12634353107 has 4 divisors (see below), whose sum is σ = 13299319080. Its totient is φ = 11969387136.

The previous prime is 12634353041. The next prime is 12634353133. The reversal of 12634353107 is 70135343621.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12634353107 - 2¹² = 12634349011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634353157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332482958 + ... + 332482995.

It is an arithmetic number, because the mean of its divisors is an integer number (3324829770).

Almost surely, 2^12634353107 is an apocalyptic number.

12634353107 is a deficient number, since it is larger than the sum of its proper divisors (664965973).

12634353107 is an equidigital number, since it uses as much as digits as its factorization.

12634353107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664965972.

The product of its (nonzero) digits is 45360, while the sum is 35.

Adding to 12634353107 its reverse (70135343621), we get a palindrome (82769696728).

The spelling of 12634353107 in words is "twelve billion, six hundred thirty-four million, three hundred fifty-three thousand, one hundred seven".